Bug 333581: Provide editbugs as default timetrackinggroup value.

Patch by Marc Schumann <wurblzap@gmail.com>,
r=mkanat, kevin.benton, a=myk

webtools/bugzilla/Bugzilla/Config/GroupSecurity.pm

@@ -67,7 +67,7 @@ sub get_param_list {
   {
    name => 'timetrackinggroup',
    type => 't',
-   default => ''
+   default => 'editbugs'
   },
   
   {